Event: Division Two

PDF Excel

Opponent	Rating	Result
Alan H Perkins	198	½ - ½
Miroslaw Walkusz	181	0 - 1
Joseph Levene	181	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

187 = (560 + 400 * (1 - 1)) / 3)